/*
 * Copyright 2017 Datamountaineer.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.datamountaineer.streamreactor.connect.hbase

import org.apache.hadoop.hbase.client.Connection
import org.apache.hadoop.hbase.{HColumnDescriptor, HTableDescriptor, TableName}

object HbaseTableHelper {

  def createTable(tableName: String, columnFamily: String)(implicit connection: Connection): Unit = {
    createTable(TableName.valueOf(tableName), columnFamily)
  }

  def createTable(tableName: TableName, columnFamily: String)(implicit connection: Connection): Unit = {
    HbaseHelper.autoclose(connection.getAdmin) { admin =>
      if (admin.tableExists(tableName))
        throw new IllegalArgumentException(s"${tableName.getNameAsString}")

      val descriptor = new HTableDescriptor(tableName)
      val colFamDesc = new HColumnDescriptor(columnFamily)
      colFamDesc.setMaxVersions(1)
      descriptor.addFamily(colFamDesc)

      admin.createTable(descriptor)
    }
  }

  def deleteTable(tableName: TableName)(implicit connection: Connection): Unit = {
    HbaseHelper.autoclose(connection.getAdmin) { admin =>
      admin.disableTable(tableName)
      admin.deleteTable(tableName)
    }
  }

  def deleteTable(tableName: String)(implicit connection: Connection): Unit = {
    deleteTable(TableName.valueOf(tableName))
  }
}